13335580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 29304576

約数和(自身を除く): 15968996

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 157, 274, 310, 314, 548, 620, 628, 685, 785, 1370, 1570, 2740, 3140, 4247, 4867, 8494, 9734, 16988, 19468, 21235, 21509, 24335, 42470, 43018, 48670, 84940, 86036, 97340, 107545, 215090, 430180, 666779, 1333558, 2667116, 3333895, 6667790, 13335580]

約数ペア:

[(1, 13335580), (2, 6667790), (4, 3333895), (5, 2667116), (10, 1333558), (20, 666779), (31, 430180), (62, 215090), (124, 107545), (137, 97340), (155, 86036), (157, 84940), (274, 48670), (310, 43018), (314, 42470), (548, 24335), (620, 21509), (628, 21235), (685, 19468), (785, 16988), (1370, 9734), (1570, 8494), (2740, 4867), (3140, 4247)]